Development of Additional Curriculum of Learning a Thai Language The Korat To Promote Reading With a Critical Eye and Mental Conservation Mattayomsueksa 2 Students

This research aims to: 1) compare the achievement of study with the required 80 percent threshold 2) compare the reading with a critical 80 percent threshold required 3) compare with mental conservation with criteria established by 80 percent and 4) the satisfaction of Mattayomsueksa 2 students on the curriculum with additional curriculum. The sample for the curriculum survey was the school director of 1. There were 2 deputy school administrators, 14 basic school principals, 3 Thai language teachers, 50 student administrators and 30 senior secondary students. A total of 100 people came from purposive sampling. The tools used in this research include needs and necessity surveys. The samples used in the data collection were matthayomsuksa 2 students, The 20 administrative units in the second semester of the academic year 2015 were selected from the group cluster sampling. The tools used in the research include additional curriculum, documentation curriculum, lesson plan, assessment curriculum, quizzes, measuring the critical reading ability, measuring the conservative mind, and satisfaction. Data were statistically analyzed include percentage, average, standard deviation. And statistical t-test (t-test: Dependent Samples). The results showed that 1) Achievement of learning unit higher than 80 percent, a statistically significant level .01, 2) The critical reading score was higher than 80 percent, a statistically significant level. 01, 3) Ratings measure the mental conservation than 80 percent level of statistical significance. 01, and 4) Satisfaction of students in Mattayomsueksa 2 students with the additional curriculum the Korat in over all on the high leve